Here are some creative package names for an email marketing service:
1. EmailBoost Pro
2. Inbox Impact
3. MailMaster Suite
4. CampaignCraft
5. ReachRight Email
6. ClickConnect Pro
7. InboxInsight
8. EmailEngage Elite
9. MailMaximizer
10. ResponseRise Package
These names convey the idea of effective email marketing services that can help businesses reach their target audience and drive engagement.